ensure we don't regress on these tests. We generate aweful code in x86-32 for

these though.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37619 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/bitcast2.ll b/test/CodeGen/X86/bitcast2.ll
new file mode 100644 (file)
index 0000000..edf8523
--- /dev/null
+++ b/test/CodeGen/X86/bitcast2.ll
@@ -0,0 +1,13 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep movd | wc -l | grep 2
+; RUN: llvm-as < %s | llc -march=x86-64 | not grep rsp
+
+define i64 @test1(double %A) {
+   %B = bitcast double %A to i64
+   ret i64 %B
+}
+
+define double @test2(i64 %A) {
+   %B = bitcast i64 %A to double
+   ret double %B
+}
+